Home / 5,482.28-7,565.58-3,124.48

Finding the Fourth Proportional to 5,482.28, 7,565.58 and 3,124.48

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Solution

The fourth proportional to 5,482.28, 7,565.58 and 3,124.48 is: 4,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,482.28 : 7,565.58 = 3,124.48 : x
  2. Step 2: Convert to fraction form
    5,482.28/7,565.58 = 3,124.48/x
  3. Step 3: Cross multiply
    5,482.28x = 7,565.58 × 3,124.48
  4. Step 4: Simplify right side
    5,482.28x = 23,638,503.40
  5. Step 5: Solve for x
    x = 23,638,503.40/5,482.28
  6. Step 6: Final answer
    x = 4,311.80

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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.