Home / 7,615.47-10,505.61-4,630.26

Finding the Fourth Proportional to 7,615.47, 10,505.61 and 4,630.26

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Solution

The fourth proportional to 7,615.47, 10,505.61 and 4,630.26 is: 6,387.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.47 : 10,505.61 = 4,630.26 : x
  2. Step 2: Convert to fraction form
    7,615.47/10,505.61 = 4,630.26/x
  3. Step 3: Cross multiply
    7,615.47x = 10,505.61 × 4,630.26
  4. Step 4: Simplify right side
    7,615.47x = 48,643,705.76
  5. Step 5: Solve for x
    x = 48,643,705.76/7,615.47
  6. Step 6: Final answer
    x = 6,387.49

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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.