Home / 5,417.60-8,125.80-1,522.40

Finding the Fourth Proportional to 5,417.60, 8,125.80 and 1,522.40

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Solution

The fourth proportional to 5,417.60, 8,125.80 and 1,522.40 is: 2,283.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.60 : 8,125.80 = 1,522.40 : x
  2. Step 2: Convert to fraction form
    5,417.60/8,125.80 = 1,522.40/x
  3. Step 3: Cross multiply
    5,417.60x = 8,125.80 × 1,522.40
  4. Step 4: Simplify right side
    5,417.60x = 12,370,717.92
  5. Step 5: Solve for x
    x = 12,370,717.92/5,417.60
  6. Step 6: Final answer
    x = 2,283.43

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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.