Home / 5,705.52-8,552.76-1,807.20

Finding the Fourth Proportional to 5,705.52, 8,552.76 and 1,807.20

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Solution

The fourth proportional to 5,705.52, 8,552.76 and 1,807.20 is: 2,709.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.52 : 8,552.76 = 1,807.20 : x
  2. Step 2: Convert to fraction form
    5,705.52/8,552.76 = 1,807.20/x
  3. Step 3: Cross multiply
    5,705.52x = 8,552.76 × 1,807.20
  4. Step 4: Simplify right side
    5,705.52x = 15,456,547.87
  5. Step 5: Solve for x
    x = 15,456,547.87/5,705.52
  6. Step 6: Final answer
    x = 2,709.05

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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.