Home / 7,931.19-11,895.84-2,088.26

Finding the Fourth Proportional to 7,931.19, 11,895.84 and 2,088.26

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Solution

The fourth proportional to 7,931.19, 11,895.84 and 2,088.26 is: 3,132.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.19 : 11,895.84 = 2,088.26 : x
  2. Step 2: Convert to fraction form
    7,931.19/11,895.84 = 2,088.26/x
  3. Step 3: Cross multiply
    7,931.19x = 11,895.84 × 2,088.26
  4. Step 4: Simplify right side
    7,931.19x = 24,841,547.36
  5. Step 5: Solve for x
    x = 24,841,547.36/7,931.19
  6. Step 6: Final answer
    x = 3,132.13

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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.