Home / 4,770.60-7,155.14-1,307.04

Finding the Fourth Proportional to 4,770.60, 7,155.14 and 1,307.04

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Solution

The fourth proportional to 4,770.60, 7,155.14 and 1,307.04 is: 1,960.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.60 : 7,155.14 = 1,307.04 : x
  2. Step 2: Convert to fraction form
    4,770.60/7,155.14 = 1,307.04/x
  3. Step 3: Cross multiply
    4,770.60x = 7,155.14 × 1,307.04
  4. Step 4: Simplify right side
    4,770.60x = 9,352,047.65
  5. Step 5: Solve for x
    x = 9,352,047.65/4,770.60
  6. Step 6: Final answer
    x = 1,960.35

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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.