Home / 7,356.71-10,145.30-4,699.50

Finding the Fourth Proportional to 7,356.71, 10,145.30 and 4,699.50

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Solution

The fourth proportional to 7,356.71, 10,145.30 and 4,699.50 is: 6,480.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,356.71 : 10,145.30 = 4,699.50 : x
  2. Step 2: Convert to fraction form
    7,356.71/10,145.30 = 4,699.50/x
  3. Step 3: Cross multiply
    7,356.71x = 10,145.30 × 4,699.50
  4. Step 4: Simplify right side
    7,356.71x = 47,677,813.85
  5. Step 5: Solve for x
    x = 47,677,813.85/7,356.71
  6. Step 6: Final answer
    x = 6,480.87

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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.