Home / 7,114.56-9,818.18-4,130.52

Finding the Fourth Proportional to 7,114.56, 9,818.18 and 4,130.52

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Solution

The fourth proportional to 7,114.56, 9,818.18 and 4,130.52 is: 5,700.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,114.56 : 9,818.18 = 4,130.52 : x
  2. Step 2: Convert to fraction form
    7,114.56/9,818.18 = 4,130.52/x
  3. Step 3: Cross multiply
    7,114.56x = 9,818.18 × 4,130.52
  4. Step 4: Simplify right side
    7,114.56x = 40,554,188.85
  5. Step 5: Solve for x
    x = 40,554,188.85/7,114.56
  6. Step 6: Final answer
    x = 5,700.17

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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.