Home / 9,102.04-12,559.49-5,122.37

Finding the Fourth Proportional to 9,102.04, 12,559.49 and 5,122.37

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Solution

The fourth proportional to 9,102.04, 12,559.49 and 5,122.37 is: 7,068.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,102.04 : 12,559.49 = 5,122.37 : x
  2. Step 2: Convert to fraction form
    9,102.04/12,559.49 = 5,122.37/x
  3. Step 3: Cross multiply
    9,102.04x = 12,559.49 × 5,122.37
  4. Step 4: Simplify right side
    9,102.04x = 64,334,379.79
  5. Step 5: Solve for x
    x = 64,334,379.79/9,102.04
  6. Step 6: Final answer
    x = 7,068.13

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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.