Home / 8,291.16-11,439.81-4,705.32

Finding the Fourth Proportional to 8,291.16, 11,439.81 and 4,705.32

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Solution

The fourth proportional to 8,291.16, 11,439.81 and 4,705.32 is: 6,492.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291.16 : 11,439.81 = 4,705.32 : x
  2. Step 2: Convert to fraction form
    8,291.16/11,439.81 = 4,705.32/x
  3. Step 3: Cross multiply
    8,291.16x = 11,439.81 × 4,705.32
  4. Step 4: Simplify right side
    8,291.16x = 53,827,966.79
  5. Step 5: Solve for x
    x = 53,827,966.79/8,291.16
  6. Step 6: Final answer
    x = 6,492.21

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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.