Home / 8,528.61-11,774.36-5,700.79

Finding the Fourth Proportional to 8,528.61, 11,774.36 and 5,700.79

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Solution

The fourth proportional to 8,528.61, 11,774.36 and 5,700.79 is: 7,870.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.61 : 11,774.36 = 5,700.79 : x
  2. Step 2: Convert to fraction form
    8,528.61/11,774.36 = 5,700.79/x
  3. Step 3: Cross multiply
    8,528.61x = 11,774.36 × 5,700.79
  4. Step 4: Simplify right side
    8,528.61x = 67,123,116.48
  5. Step 5: Solve for x
    x = 67,123,116.48/8,528.61
  6. Step 6: Final answer
    x = 7,870.34

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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.