Home / 7,214.76-9,956.40-4,420.26

Finding the Fourth Proportional to 7,214.76, 9,956.40 and 4,420.26

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Solution

The fourth proportional to 7,214.76, 9,956.40 and 4,420.26 is: 6,099.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.76 : 9,956.40 = 4,420.26 : x
  2. Step 2: Convert to fraction form
    7,214.76/9,956.40 = 4,420.26/x
  3. Step 3: Cross multiply
    7,214.76x = 9,956.40 × 4,420.26
  4. Step 4: Simplify right side
    7,214.76x = 44,009,876.66
  5. Step 5: Solve for x
    x = 44,009,876.66/7,214.76
  6. Step 6: Final answer
    x = 6,099.98

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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.