Home / 6,254.40-9,378.83-1,871.02

Finding the Fourth Proportional to 6,254.40, 9,378.83 and 1,871.02

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Solution

The fourth proportional to 6,254.40, 9,378.83 and 1,871.02 is: 2,805.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,254.40 : 9,378.83 = 1,871.02 : x
  2. Step 2: Convert to fraction form
    6,254.40/9,378.83 = 1,871.02/x
  3. Step 3: Cross multiply
    6,254.40x = 9,378.83 × 1,871.02
  4. Step 4: Simplify right side
    6,254.40x = 17,547,959.74
  5. Step 5: Solve for x
    x = 17,547,959.74/6,254.40
  6. Step 6: Final answer
    x = 2,805.70

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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.