Home / 6,549.18-9,030.33-5,221.86

Finding the Fourth Proportional to 6,549.18, 9,030.33 and 5,221.86

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Solution

The fourth proportional to 6,549.18, 9,030.33 and 5,221.86 is: 7,200.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,549.18 : 9,030.33 = 5,221.86 : x
  2. Step 2: Convert to fraction form
    6,549.18/9,030.33 = 5,221.86/x
  3. Step 3: Cross multiply
    6,549.18x = 9,030.33 × 5,221.86
  4. Step 4: Simplify right side
    6,549.18x = 47,155,119.01
  5. Step 5: Solve for x
    x = 47,155,119.01/6,549.18
  6. Step 6: Final answer
    x = 7,200.16

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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.