Home / 7,114.20-9,820.29-5,350.90

Finding the Fourth Proportional to 7,114.20, 9,820.29 and 5,350.90

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Solution

The fourth proportional to 7,114.20, 9,820.29 and 5,350.90 is: 7,386.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,114.20 : 9,820.29 = 5,350.90 : x
  2. Step 2: Convert to fraction form
    7,114.20/9,820.29 = 5,350.90/x
  3. Step 3: Cross multiply
    7,114.20x = 9,820.29 × 5,350.90
  4. Step 4: Simplify right side
    7,114.20x = 52,547,389.76
  5. Step 5: Solve for x
    x = 52,547,389.76/7,114.20
  6. Step 6: Final answer
    x = 7,386.27

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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.