Home / 5,012.40-6,903.72-4,349.28

Finding the Fourth Proportional to 5,012.40, 6,903.72 and 4,349.28

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Solution

The fourth proportional to 5,012.40, 6,903.72 and 4,349.28 is: 5,990.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.40 : 6,903.72 = 4,349.28 : x
  2. Step 2: Convert to fraction form
    5,012.40/6,903.72 = 4,349.28/x
  3. Step 3: Cross multiply
    5,012.40x = 6,903.72 × 4,349.28
  4. Step 4: Simplify right side
    5,012.40x = 30,026,211.32
  5. Step 5: Solve for x
    x = 30,026,211.32/5,012.40
  6. Step 6: Final answer
    x = 5,990.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.