Home / 7,556.12-10,428.15-4,572.69

Finding the Fourth Proportional to 7,556.12, 10,428.15 and 4,572.69

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Solution

The fourth proportional to 7,556.12, 10,428.15 and 4,572.69 is: 6,310.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,556.12 : 10,428.15 = 4,572.69 : x
  2. Step 2: Convert to fraction form
    7,556.12/10,428.15 = 4,572.69/x
  3. Step 3: Cross multiply
    7,556.12x = 10,428.15 × 4,572.69
  4. Step 4: Simplify right side
    7,556.12x = 47,684,697.22
  5. Step 5: Solve for x
    x = 47,684,697.22/7,556.12
  6. Step 6: Final answer
    x = 6,310.74

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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.