Home / 7,381.68-10,191.60-4,730.28

Finding the Fourth Proportional to 7,381.68, 10,191.60 and 4,730.28

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Solution

The fourth proportional to 7,381.68, 10,191.60 and 4,730.28 is: 6,530.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.68 : 10,191.60 = 4,730.28 : x
  2. Step 2: Convert to fraction form
    7,381.68/10,191.60 = 4,730.28/x
  3. Step 3: Cross multiply
    7,381.68x = 10,191.60 × 4,730.28
  4. Step 4: Simplify right side
    7,381.68x = 48,209,121.65
  5. Step 5: Solve for x
    x = 48,209,121.65/7,381.68
  6. Step 6: Final answer
    x = 6,530.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.