Home / 4,437.02-6,656.52-1,317.28

Finding the Fourth Proportional to 4,437.02, 6,656.52 and 1,317.28

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Solution

The fourth proportional to 4,437.02, 6,656.52 and 1,317.28 is: 1,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,437.02 : 6,656.52 = 1,317.28 : x
  2. Step 2: Convert to fraction form
    4,437.02/6,656.52 = 1,317.28/x
  3. Step 3: Cross multiply
    4,437.02x = 6,656.52 × 1,317.28
  4. Step 4: Simplify right side
    4,437.02x = 8,768,460.80
  5. Step 5: Solve for x
    x = 8,768,460.80/4,437.02
  6. Step 6: Final answer
    x = 1,976.20

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Double scale
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Similar ratio
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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.