Home / 7,556.41-10,416.85-5,280.68

Finding the Fourth Proportional to 7,556.41, 10,416.85 and 5,280.68

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Solution

The fourth proportional to 7,556.41, 10,416.85 and 5,280.68 is: 7,279.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,556.41 : 10,416.85 = 5,280.68 : x
  2. Step 2: Convert to fraction form
    7,556.41/10,416.85 = 5,280.68/x
  3. Step 3: Cross multiply
    7,556.41x = 10,416.85 × 5,280.68
  4. Step 4: Simplify right side
    7,556.41x = 55,008,129.18
  5. Step 5: Solve for x
    x = 55,008,129.18/7,556.41
  6. Step 6: Final answer
    x = 7,279.66

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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.