Home / 4,187.26-6,280.08-1,264.88

Finding the Fourth Proportional to 4,187.26, 6,280.08 and 1,264.88

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Solution

The fourth proportional to 4,187.26, 6,280.08 and 1,264.88 is: 1,897.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.26 : 6,280.08 = 1,264.88 : x
  2. Step 2: Convert to fraction form
    4,187.26/6,280.08 = 1,264.88/x
  3. Step 3: Cross multiply
    4,187.26x = 6,280.08 × 1,264.88
  4. Step 4: Simplify right side
    4,187.26x = 7,943,547.59
  5. Step 5: Solve for x
    x = 7,943,547.59/4,187.26
  6. Step 6: Final answer
    x = 1,897.08

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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.