Home / 9,117.07-12,581.56-4,925.32

Finding the Fourth Proportional to 9,117.07, 12,581.56 and 4,925.32

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Solution

The fourth proportional to 9,117.07, 12,581.56 and 4,925.32 is: 6,796.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.07 : 12,581.56 = 4,925.32 : x
  2. Step 2: Convert to fraction form
    9,117.07/12,581.56 = 4,925.32/x
  3. Step 3: Cross multiply
    9,117.07x = 12,581.56 × 4,925.32
  4. Step 4: Simplify right side
    9,117.07x = 61,968,183.80
  5. Step 5: Solve for x
    x = 61,968,183.80/9,117.07
  6. Step 6: Final answer
    x = 6,796.94

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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.