Home / 5,323.28-8,002.84-4,356.40

Finding the Fourth Proportional to 5,323.28, 8,002.84 and 4,356.40

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Solution

The fourth proportional to 5,323.28, 8,002.84 and 4,356.40 is: 6,549.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,323.28 : 8,002.84 = 4,356.40 : x
  2. Step 2: Convert to fraction form
    5,323.28/8,002.84 = 4,356.40/x
  3. Step 3: Cross multiply
    5,323.28x = 8,002.84 × 4,356.40
  4. Step 4: Simplify right side
    5,323.28x = 34,863,572.18
  5. Step 5: Solve for x
    x = 34,863,572.18/5,323.28
  6. Step 6: Final answer
    x = 6,549.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.