Home / 7,538.36-11,291.10-4,607.78

Finding the Fourth Proportional to 7,538.36, 11,291.10 and 4,607.78

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Solution

The fourth proportional to 7,538.36, 11,291.10 and 4,607.78 is: 6,901.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.36 : 11,291.10 = 4,607.78 : x
  2. Step 2: Convert to fraction form
    7,538.36/11,291.10 = 4,607.78/x
  3. Step 3: Cross multiply
    7,538.36x = 11,291.10 × 4,607.78
  4. Step 4: Simplify right side
    7,538.36x = 52,026,904.76
  5. Step 5: Solve for x
    x = 52,026,904.76/7,538.36
  6. Step 6: Final answer
    x = 6,901.62

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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.