Home / 4,770.24-7,155.20-1,307.48

Finding the Fourth Proportional to 4,770.24, 7,155.20 and 1,307.48

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Solution

The fourth proportional to 4,770.24, 7,155.20 and 1,307.48 is: 1,961.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.24 : 7,155.20 = 1,307.48 : x
  2. Step 2: Convert to fraction form
    4,770.24/7,155.20 = 1,307.48/x
  3. Step 3: Cross multiply
    4,770.24x = 7,155.20 × 1,307.48
  4. Step 4: Simplify right side
    4,770.24x = 9,355,280.90
  5. Step 5: Solve for x
    x = 9,355,280.90/4,770.24
  6. Step 6: Final answer
    x = 1,961.18

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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.