Home / 6,270.15-8,642.29-5,007.16

Finding the Fourth Proportional to 6,270.15, 8,642.29 and 5,007.16

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Solution

The fourth proportional to 6,270.15, 8,642.29 and 5,007.16 is: 6,901.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,270.15 : 8,642.29 = 5,007.16 : x
  2. Step 2: Convert to fraction form
    6,270.15/8,642.29 = 5,007.16/x
  3. Step 3: Cross multiply
    6,270.15x = 8,642.29 × 5,007.16
  4. Step 4: Simplify right side
    6,270.15x = 43,273,328.80
  5. Step 5: Solve for x
    x = 43,273,328.80/6,270.15
  6. Step 6: Final answer
    x = 6,901.48

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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.