Home / 9,091.16-12,547.91-5,316.08

Finding the Fourth Proportional to 9,091.16, 12,547.91 and 5,316.08

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Solution

The fourth proportional to 9,091.16, 12,547.91 and 5,316.08 is: 7,337.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.16 : 12,547.91 = 5,316.08 : x
  2. Step 2: Convert to fraction form
    9,091.16/12,547.91 = 5,316.08/x
  3. Step 3: Cross multiply
    9,091.16x = 12,547.91 × 5,316.08
  4. Step 4: Simplify right side
    9,091.16x = 66,705,714.53
  5. Step 5: Solve for x
    x = 66,705,714.53/9,091.16
  6. Step 6: Final answer
    x = 7,337.42

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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.