Home / 10,428.94-15,645.45-4,585.53

Finding the Fourth Proportional to 10,428.94, 15,645.45 and 4,585.53

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Solution

The fourth proportional to 10,428.94, 15,645.45 and 4,585.53 is: 6,879.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.94 : 15,645.45 = 4,585.53 : x
  2. Step 2: Convert to fraction form
    10,428.94/15,645.45 = 4,585.53/x
  3. Step 3: Cross multiply
    10,428.94x = 15,645.45 × 4,585.53
  4. Step 4: Simplify right side
    10,428.94x = 71,742,680.34
  5. Step 5: Solve for x
    x = 71,742,680.34/10,428.94
  6. Step 6: Final answer
    x = 6,879.19

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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.