Home / 7,030.64-10,540.71-4,256.65

Finding the Fourth Proportional to 7,030.64, 10,540.71 and 4,256.65

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Solution

The fourth proportional to 7,030.64, 10,540.71 and 4,256.65 is: 6,381.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.64 : 10,540.71 = 4,256.65 : x
  2. Step 2: Convert to fraction form
    7,030.64/10,540.71 = 4,256.65/x
  3. Step 3: Cross multiply
    7,030.64x = 10,540.71 × 4,256.65
  4. Step 4: Simplify right side
    7,030.64x = 44,868,039.23
  5. Step 5: Solve for x
    x = 44,868,039.23/7,030.64
  6. Step 6: Final answer
    x = 6,381.79

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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.