Home / 9,005.87-12,428.08-5,026.98

Finding the Fourth Proportional to 9,005.87, 12,428.08 and 5,026.98

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Solution

The fourth proportional to 9,005.87, 12,428.08 and 5,026.98 is: 6,937.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,005.87 : 12,428.08 = 5,026.98 : x
  2. Step 2: Convert to fraction form
    9,005.87/12,428.08 = 5,026.98/x
  3. Step 3: Cross multiply
    9,005.87x = 12,428.08 × 5,026.98
  4. Step 4: Simplify right side
    9,005.87x = 62,475,684.46
  5. Step 5: Solve for x
    x = 62,475,684.46/9,005.87
  6. Step 6: Final answer
    x = 6,937.22

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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.