Home / 7,254.30-10,881.45-6,816.90

Finding the Fourth Proportional to 7,254.30, 10,881.45 and 6,816.90

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Solution

The fourth proportional to 7,254.30, 10,881.45 and 6,816.90 is: 10,225.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254.30 : 10,881.45 = 6,816.90 : x
  2. Step 2: Convert to fraction form
    7,254.30/10,881.45 = 6,816.90/x
  3. Step 3: Cross multiply
    7,254.30x = 10,881.45 × 6,816.90
  4. Step 4: Simplify right side
    7,254.30x = 74,177,756.51
  5. Step 5: Solve for x
    x = 74,177,756.51/7,254.30
  6. Step 6: Final answer
    x = 10,225.35

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Similar ratio
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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.