Home / 4,437.10-6,656.20-1,317.28

Finding the Fourth Proportional to 4,437.10, 6,656.20 and 1,317.28

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Solution

The fourth proportional to 4,437.10, 6,656.20 and 1,317.28 is: 1,976.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,437.10 : 6,656.20 = 1,317.28 : x
  2. Step 2: Convert to fraction form
    4,437.10/6,656.20 = 1,317.28/x
  3. Step 3: Cross multiply
    4,437.10x = 6,656.20 × 1,317.28
  4. Step 4: Simplify right side
    4,437.10x = 8,768,079.14
  5. Step 5: Solve for x
    x = 8,768,079.14/4,437.10
  6. Step 6: Final answer
    x = 1,976.08

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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.