Home / 6,555.12-9,819.72-4,913.52

Finding the Fourth Proportional to 6,555.12, 9,819.72 and 4,913.52

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Solution

The fourth proportional to 6,555.12, 9,819.72 and 4,913.52 is: 7,360.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.12 : 9,819.72 = 4,913.52 : x
  2. Step 2: Convert to fraction form
    6,555.12/9,819.72 = 4,913.52/x
  3. Step 3: Cross multiply
    6,555.12x = 9,819.72 × 4,913.52
  4. Step 4: Simplify right side
    6,555.12x = 48,249,390.61
  5. Step 5: Solve for x
    x = 48,249,390.61/6,555.12
  6. Step 6: Final answer
    x = 7,360.57

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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.