Home / 7,465.45-10,302.40-4,278.68

Finding the Fourth Proportional to 7,465.45, 10,302.40 and 4,278.68

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Solution

The fourth proportional to 7,465.45, 10,302.40 and 4,278.68 is: 5,904.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,465.45 : 10,302.40 = 4,278.68 : x
  2. Step 2: Convert to fraction form
    7,465.45/10,302.40 = 4,278.68/x
  3. Step 3: Cross multiply
    7,465.45x = 10,302.40 × 4,278.68
  4. Step 4: Simplify right side
    7,465.45x = 44,080,665.30
  5. Step 5: Solve for x
    x = 44,080,665.30/7,465.45
  6. Step 6: Final answer
    x = 5,904.62

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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.