Home / 4,547.13-6,820.68-1,427.16

Finding the Fourth Proportional to 4,547.13, 6,820.68 and 1,427.16

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Solution

The fourth proportional to 4,547.13, 6,820.68 and 1,427.16 is: 2,140.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547.13 : 6,820.68 = 1,427.16 : x
  2. Step 2: Convert to fraction form
    4,547.13/6,820.68 = 1,427.16/x
  3. Step 3: Cross multiply
    4,547.13x = 6,820.68 × 1,427.16
  4. Step 4: Simplify right side
    4,547.13x = 9,734,201.67
  5. Step 5: Solve for x
    x = 9,734,201.67/4,547.13
  6. Step 6: Final answer
    x = 2,140.74

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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.