Home / 7,298.12-10,938-3,133.20

Finding the Fourth Proportional to 7,298.12, 10,938 and 3,133.20

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Solution

The fourth proportional to 7,298.12, 10,938 and 3,133.20 is: 4,695.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,298.12 : 10,938 = 3,133.20 : x
  2. Step 2: Convert to fraction form
    7,298.12/10,938 = 3,133.20/x
  3. Step 3: Cross multiply
    7,298.12x = 10,938 × 3,133.20
  4. Step 4: Simplify right side
    7,298.12x = 34,270,941.60
  5. Step 5: Solve for x
    x = 34,270,941.60/7,298.12
  6. Step 6: Final answer
    x = 4,695.86

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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.