Home / 9,102.98-12,561.23-5,124.01

Finding the Fourth Proportional to 9,102.98, 12,561.23 and 5,124.01

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Solution

The fourth proportional to 9,102.98, 12,561.23 and 5,124.01 is: 7,070.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,102.98 : 12,561.23 = 5,124.01 : x
  2. Step 2: Convert to fraction form
    9,102.98/12,561.23 = 5,124.01/x
  3. Step 3: Cross multiply
    9,102.98x = 12,561.23 × 5,124.01
  4. Step 4: Simplify right side
    9,102.98x = 64,363,868.13
  5. Step 5: Solve for x
    x = 64,363,868.13/9,102.98
  6. Step 6: Final answer
    x = 7,070.64

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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.