Home / 7,114.52-9,818.28-4,130.18

Finding the Fourth Proportional to 7,114.52, 9,818.28 and 4,130.18

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Solution

The fourth proportional to 7,114.52, 9,818.28 and 4,130.18 is: 5,699.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,114.52 : 9,818.28 = 4,130.18 : x
  2. Step 2: Convert to fraction form
    7,114.52/9,818.28 = 4,130.18/x
  3. Step 3: Cross multiply
    7,114.52x = 9,818.28 × 4,130.18
  4. Step 4: Simplify right side
    7,114.52x = 40,551,263.69
  5. Step 5: Solve for x
    x = 40,551,263.69/7,114.52
  6. Step 6: Final answer
    x = 5,699.79

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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.