Home / 9,051.11-12,490.89-5,072.26

Finding the Fourth Proportional to 9,051.11, 12,490.89 and 5,072.26

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Solution

The fourth proportional to 9,051.11, 12,490.89 and 5,072.26 is: 6,999.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051.11 : 12,490.89 = 5,072.26 : x
  2. Step 2: Convert to fraction form
    9,051.11/12,490.89 = 5,072.26/x
  3. Step 3: Cross multiply
    9,051.11x = 12,490.89 × 5,072.26
  4. Step 4: Simplify right side
    9,051.11x = 63,357,041.71
  5. Step 5: Solve for x
    x = 63,357,041.71/9,051.11
  6. Step 6: Final answer
    x = 6,999.92

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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.