Home / 8,729.65-13,068.75-5,762.62

Finding the Fourth Proportional to 8,729.65, 13,068.75 and 5,762.62

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Solution

The fourth proportional to 8,729.65, 13,068.75 and 5,762.62 is: 8,626.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.65 : 13,068.75 = 5,762.62 : x
  2. Step 2: Convert to fraction form
    8,729.65/13,068.75 = 5,762.62/x
  3. Step 3: Cross multiply
    8,729.65x = 13,068.75 × 5,762.62
  4. Step 4: Simplify right side
    8,729.65x = 75,310,240.13
  5. Step 5: Solve for x
    x = 75,310,240.13/8,729.65
  6. Step 6: Final answer
    x = 8,626.95

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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.