Home / 8,281.35-11,428.67-4,744.57

Finding the Fourth Proportional to 8,281.35, 11,428.67 and 4,744.57

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Solution

The fourth proportional to 8,281.35, 11,428.67 and 4,744.57 is: 6,547.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.35 : 11,428.67 = 4,744.57 : x
  2. Step 2: Convert to fraction form
    8,281.35/11,428.67 = 4,744.57/x
  3. Step 3: Cross multiply
    8,281.35x = 11,428.67 × 4,744.57
  4. Step 4: Simplify right side
    8,281.35x = 54,224,101.10
  5. Step 5: Solve for x
    x = 54,224,101.10/8,281.35
  6. Step 6: Final answer
    x = 6,547.74

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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.