Home / 6,615.18-9,130.80-4,256.46

Finding the Fourth Proportional to 6,615.18, 9,130.80 and 4,256.46

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Solution

The fourth proportional to 6,615.18, 9,130.80 and 4,256.46 is: 5,875.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,615.18 : 9,130.80 = 4,256.46 : x
  2. Step 2: Convert to fraction form
    6,615.18/9,130.80 = 4,256.46/x
  3. Step 3: Cross multiply
    6,615.18x = 9,130.80 × 4,256.46
  4. Step 4: Simplify right side
    6,615.18x = 38,864,884.97
  5. Step 5: Solve for x
    x = 38,864,884.97/6,615.18
  6. Step 6: Final answer
    x = 5,875.11

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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.