Home / 7,200.90-9,937.08-4,056.75

Finding the Fourth Proportional to 7,200.90, 9,937.08 and 4,056.75

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Solution

The fourth proportional to 7,200.90, 9,937.08 and 4,056.75 is: 5,598.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200.90 : 9,937.08 = 4,056.75 : x
  2. Step 2: Convert to fraction form
    7,200.90/9,937.08 = 4,056.75/x
  3. Step 3: Cross multiply
    7,200.90x = 9,937.08 × 4,056.75
  4. Step 4: Simplify right side
    7,200.90x = 40,312,249.29
  5. Step 5: Solve for x
    x = 40,312,249.29/7,200.90
  6. Step 6: Final answer
    x = 5,598.22

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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.