Home / 7,784.10-10,753.75-5,101.68

Finding the Fourth Proportional to 7,784.10, 10,753.75 and 5,101.68

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Solution

The fourth proportional to 7,784.10, 10,753.75 and 5,101.68 is: 7,047.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784.10 : 10,753.75 = 5,101.68 : x
  2. Step 2: Convert to fraction form
    7,784.10/10,753.75 = 5,101.68/x
  3. Step 3: Cross multiply
    7,784.10x = 10,753.75 × 5,101.68
  4. Step 4: Simplify right side
    7,784.10x = 54,862,138.91
  5. Step 5: Solve for x
    x = 54,862,138.91/7,784.10
  6. Step 6: Final answer
    x = 7,047.98

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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.