Home / 5,622.40-8,433.60-4,528.90

Finding the Fourth Proportional to 5,622.40, 8,433.60 and 4,528.90

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Solution

The fourth proportional to 5,622.40, 8,433.60 and 4,528.90 is: 6,793.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.40 : 8,433.60 = 4,528.90 : x
  2. Step 2: Convert to fraction form
    5,622.40/8,433.60 = 4,528.90/x
  3. Step 3: Cross multiply
    5,622.40x = 8,433.60 × 4,528.90
  4. Step 4: Simplify right side
    5,622.40x = 38,194,931.04
  5. Step 5: Solve for x
    x = 38,194,931.04/5,622.40
  6. Step 6: Final answer
    x = 6,793.35

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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.