Home / 7,280.08-10,045.88-4,049.28

Finding the Fourth Proportional to 7,280.08, 10,045.88 and 4,049.28

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Solution

The fourth proportional to 7,280.08, 10,045.88 and 4,049.28 is: 5,587.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.08 : 10,045.88 = 4,049.28 : x
  2. Step 2: Convert to fraction form
    7,280.08/10,045.88 = 4,049.28/x
  3. Step 3: Cross multiply
    7,280.08x = 10,045.88 × 4,049.28
  4. Step 4: Simplify right side
    7,280.08x = 40,678,580.97
  5. Step 5: Solve for x
    x = 40,678,580.97/7,280.08
  6. Step 6: Final answer
    x = 5,587.66

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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.