Home / 7,758.81-10,710.63-5,870.70

Finding the Fourth Proportional to 7,758.81, 10,710.63 and 5,870.70

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Solution

The fourth proportional to 7,758.81, 10,710.63 and 5,870.70 is: 8,104.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758.81 : 10,710.63 = 5,870.70 : x
  2. Step 2: Convert to fraction form
    7,758.81/10,710.63 = 5,870.70/x
  3. Step 3: Cross multiply
    7,758.81x = 10,710.63 × 5,870.70
  4. Step 4: Simplify right side
    7,758.81x = 62,878,895.54
  5. Step 5: Solve for x
    x = 62,878,895.54/7,758.81
  6. Step 6: Final answer
    x = 8,104.19

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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.