Home / 4,547.31-6,820.20-1,260.73

Finding the Fourth Proportional to 4,547.31, 6,820.20 and 1,260.73

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Solution

The fourth proportional to 4,547.31, 6,820.20 and 1,260.73 is: 1,890.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547.31 : 6,820.20 = 1,260.73 : x
  2. Step 2: Convert to fraction form
    4,547.31/6,820.20 = 1,260.73/x
  3. Step 3: Cross multiply
    4,547.31x = 6,820.20 × 1,260.73
  4. Step 4: Simplify right side
    4,547.31x = 8,598,430.75
  5. Step 5: Solve for x
    x = 8,598,430.75/4,547.31
  6. Step 6: Final answer
    x = 1,890.88

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1.5x scale

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.