Home / 9,157.53-12,637.36-4,965.78

Finding the Fourth Proportional to 9,157.53, 12,637.36 and 4,965.78

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Solution

The fourth proportional to 9,157.53, 12,637.36 and 4,965.78 is: 6,852.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,157.53 : 12,637.36 = 4,965.78 : x
  2. Step 2: Convert to fraction form
    9,157.53/12,637.36 = 4,965.78/x
  3. Step 3: Cross multiply
    9,157.53x = 12,637.36 × 4,965.78
  4. Step 4: Simplify right side
    9,157.53x = 62,754,349.54
  5. Step 5: Solve for x
    x = 62,754,349.54/9,157.53
  6. Step 6: Final answer
    x = 6,852.76

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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.