Home / 7,114.24-9,818.15-4,130.40

Finding the Fourth Proportional to 7,114.24, 9,818.15 and 4,130.40

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Solution

The fourth proportional to 7,114.24, 9,818.15 and 4,130.40 is: 5,700.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,114.24 : 9,818.15 = 4,130.40 : x
  2. Step 2: Convert to fraction form
    7,114.24/9,818.15 = 4,130.40/x
  3. Step 3: Cross multiply
    7,114.24x = 9,818.15 × 4,130.40
  4. Step 4: Simplify right side
    7,114.24x = 40,552,902.93
  5. Step 5: Solve for x
    x = 40,552,902.93/7,114.24
  6. Step 6: Final answer
    x = 5,700.24

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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.