Home / 10,312.26-15,476.58-3,740.28

Finding the Fourth Proportional to 10,312.26, 15,476.58 and 3,740.28

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Solution

The fourth proportional to 10,312.26, 15,476.58 and 3,740.28 is: 5,613.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312.26 : 15,476.58 = 3,740.28 : x
  2. Step 2: Convert to fraction form
    10,312.26/15,476.58 = 3,740.28/x
  3. Step 3: Cross multiply
    10,312.26x = 15,476.58 × 3,740.28
  4. Step 4: Simplify right side
    10,312.26x = 57,886,742.64
  5. Step 5: Solve for x
    x = 57,886,742.64/10,312.26
  6. Step 6: Final answer
    x = 5,613.39

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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.