Home / 7,310.24-10,088.16-4,166.40

Finding the Fourth Proportional to 7,310.24, 10,088.16 and 4,166.40

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Solution

The fourth proportional to 7,310.24, 10,088.16 and 4,166.40 is: 5,749.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.24 : 10,088.16 = 4,166.40 : x
  2. Step 2: Convert to fraction form
    7,310.24/10,088.16 = 4,166.40/x
  3. Step 3: Cross multiply
    7,310.24x = 10,088.16 × 4,166.40
  4. Step 4: Simplify right side
    7,310.24x = 42,031,309.82
  5. Step 5: Solve for x
    x = 42,031,309.82/7,310.24
  6. Step 6: Final answer
    x = 5,749.65

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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.