Home / 5,275.65-7,280.94-3,037.62

Finding the Fourth Proportional to 5,275.65, 7,280.94 and 3,037.62

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Solution

The fourth proportional to 5,275.65, 7,280.94 and 3,037.62 is: 4,192.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.65 : 7,280.94 = 3,037.62 : x
  2. Step 2: Convert to fraction form
    5,275.65/7,280.94 = 3,037.62/x
  3. Step 3: Cross multiply
    5,275.65x = 7,280.94 × 3,037.62
  4. Step 4: Simplify right side
    5,275.65x = 22,116,728.96
  5. Step 5: Solve for x
    x = 22,116,728.96/5,275.65
  6. Step 6: Final answer
    x = 4,192.23

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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.