Home / 8,753.49-13,130.24-2,910.15

Finding the Fourth Proportional to 8,753.49, 13,130.24 and 2,910.15

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Solution

The fourth proportional to 8,753.49, 13,130.24 and 2,910.15 is: 4,365.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.49 : 13,130.24 = 2,910.15 : x
  2. Step 2: Convert to fraction form
    8,753.49/13,130.24 = 2,910.15/x
  3. Step 3: Cross multiply
    8,753.49x = 13,130.24 × 2,910.15
  4. Step 4: Simplify right side
    8,753.49x = 38,210,953.39
  5. Step 5: Solve for x
    x = 38,210,953.39/8,753.49
  6. Step 6: Final answer
    x = 4,365.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.