Home / 7,710.11-10,639.41-4,565.69

Finding the Fourth Proportional to 7,710.11, 10,639.41 and 4,565.69

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Solution

The fourth proportional to 7,710.11, 10,639.41 and 4,565.69 is: 6,300.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,710.11 : 10,639.41 = 4,565.69 : x
  2. Step 2: Convert to fraction form
    7,710.11/10,639.41 = 4,565.69/x
  3. Step 3: Cross multiply
    7,710.11x = 10,639.41 × 4,565.69
  4. Step 4: Simplify right side
    7,710.11x = 48,576,247.84
  5. Step 5: Solve for x
    x = 48,576,247.84/7,710.11
  6. Step 6: Final answer
    x = 6,300.33

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.