Home / 10,289.07-15,434.20-2,894.10

Finding the Fourth Proportional to 10,289.07, 15,434.20 and 2,894.10

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Solution

The fourth proportional to 10,289.07, 15,434.20 and 2,894.10 is: 4,341.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.07 : 15,434.20 = 2,894.10 : x
  2. Step 2: Convert to fraction form
    10,289.07/15,434.20 = 2,894.10/x
  3. Step 3: Cross multiply
    10,289.07x = 15,434.20 × 2,894.10
  4. Step 4: Simplify right side
    10,289.07x = 44,668,118.22
  5. Step 5: Solve for x
    x = 44,668,118.22/10,289.07
  6. Step 6: Final answer
    x = 4,341.32

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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.