Home / 7,437.08-10,263.28-4,079.86

Finding the Fourth Proportional to 7,437.08, 10,263.28 and 4,079.86

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Solution

The fourth proportional to 7,437.08, 10,263.28 and 4,079.86 is: 5,630.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.08 : 10,263.28 = 4,079.86 : x
  2. Step 2: Convert to fraction form
    7,437.08/10,263.28 = 4,079.86/x
  3. Step 3: Cross multiply
    7,437.08x = 10,263.28 × 4,079.86
  4. Step 4: Simplify right side
    7,437.08x = 41,872,745.54
  5. Step 5: Solve for x
    x = 41,872,745.54/7,437.08
  6. Step 6: Final answer
    x = 5,630.27

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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.