Home / 7,345.08-10,136.67-4,158.90

Finding the Fourth Proportional to 7,345.08, 10,136.67 and 4,158.90

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Solution

The fourth proportional to 7,345.08, 10,136.67 and 4,158.90 is: 5,739.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.08 : 10,136.67 = 4,158.90 : x
  2. Step 2: Convert to fraction form
    7,345.08/10,136.67 = 4,158.90/x
  3. Step 3: Cross multiply
    7,345.08x = 10,136.67 × 4,158.90
  4. Step 4: Simplify right side
    7,345.08x = 42,157,396.86
  5. Step 5: Solve for x
    x = 42,157,396.86/7,345.08
  6. Step 6: Final answer
    x = 5,739.54

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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.