Home / 7,358.20-11,012.10-4,438.60

Finding the Fourth Proportional to 7,358.20, 11,012.10 and 4,438.60

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Solution

The fourth proportional to 7,358.20, 11,012.10 and 4,438.60 is: 6,642.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.20 : 11,012.10 = 4,438.60 : x
  2. Step 2: Convert to fraction form
    7,358.20/11,012.10 = 4,438.60/x
  3. Step 3: Cross multiply
    7,358.20x = 11,012.10 × 4,438.60
  4. Step 4: Simplify right side
    7,358.20x = 48,878,307.06
  5. Step 5: Solve for x
    x = 48,878,307.06/7,358.20
  6. Step 6: Final answer
    x = 6,642.70

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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.