Home / 6,657.23-9,970.28-5,261.20

Finding the Fourth Proportional to 6,657.23, 9,970.28 and 5,261.20

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Solution

The fourth proportional to 6,657.23, 9,970.28 and 5,261.20 is: 7,879.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,657.23 : 9,970.28 = 5,261.20 : x
  2. Step 2: Convert to fraction form
    6,657.23/9,970.28 = 5,261.20/x
  3. Step 3: Cross multiply
    6,657.23x = 9,970.28 × 5,261.20
  4. Step 4: Simplify right side
    6,657.23x = 52,455,587.28
  5. Step 5: Solve for x
    x = 52,455,587.28/6,657.23
  6. Step 6: Final answer
    x = 7,879.49

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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.