Home / 7,291.10-10,059.98-4,149.02

Finding the Fourth Proportional to 7,291.10, 10,059.98 and 4,149.02

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Solution

The fourth proportional to 7,291.10, 10,059.98 and 4,149.02 is: 5,724.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,291.10 : 10,059.98 = 4,149.02 : x
  2. Step 2: Convert to fraction form
    7,291.10/10,059.98 = 4,149.02/x
  3. Step 3: Cross multiply
    7,291.10x = 10,059.98 × 4,149.02
  4. Step 4: Simplify right side
    7,291.10x = 41,739,058.22
  5. Step 5: Solve for x
    x = 41,739,058.22/7,291.10
  6. Step 6: Final answer
    x = 5,724.66

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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.