Home / 7,360.08-10,158.12-5,377.20

Finding the Fourth Proportional to 7,360.08, 10,158.12 and 5,377.20

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Solution

The fourth proportional to 7,360.08, 10,158.12 and 5,377.20 is: 7,421.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360.08 : 10,158.12 = 5,377.20 : x
  2. Step 2: Convert to fraction form
    7,360.08/10,158.12 = 5,377.20/x
  3. Step 3: Cross multiply
    7,360.08x = 10,158.12 × 5,377.20
  4. Step 4: Simplify right side
    7,360.08x = 54,622,242.86
  5. Step 5: Solve for x
    x = 54,622,242.86/7,360.08
  6. Step 6: Final answer
    x = 7,421.42

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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.