Home / 7,042.80-10,564.20-4,839.60

Finding the Fourth Proportional to 7,042.80, 10,564.20 and 4,839.60

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Solution

The fourth proportional to 7,042.80, 10,564.20 and 4,839.60 is: 7,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.80 : 10,564.20 = 4,839.60 : x
  2. Step 2: Convert to fraction form
    7,042.80/10,564.20 = 4,839.60/x
  3. Step 3: Cross multiply
    7,042.80x = 10,564.20 × 4,839.60
  4. Step 4: Simplify right side
    7,042.80x = 51,126,502.32
  5. Step 5: Solve for x
    x = 51,126,502.32/7,042.80
  6. Step 6: Final answer
    x = 7,259.40

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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.