Home / 7,630.13-10,542.74-6,301.55

Finding the Fourth Proportional to 7,630.13, 10,542.74 and 6,301.55

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Solution

The fourth proportional to 7,630.13, 10,542.74 and 6,301.55 is: 8,707.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630.13 : 10,542.74 = 6,301.55 : x
  2. Step 2: Convert to fraction form
    7,630.13/10,542.74 = 6,301.55/x
  3. Step 3: Cross multiply
    7,630.13x = 10,542.74 × 6,301.55
  4. Step 4: Simplify right side
    7,630.13x = 66,435,603.25
  5. Step 5: Solve for x
    x = 66,435,603.25/7,630.13
  6. Step 6: Final answer
    x = 8,707.01

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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.