Home / 9,048.90-13,569.71-3,780.46

Finding the Fourth Proportional to 9,048.90, 13,569.71 and 3,780.46

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Solution

The fourth proportional to 9,048.90, 13,569.71 and 3,780.46 is: 5,669.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,048.90 : 13,569.71 = 3,780.46 : x
  2. Step 2: Convert to fraction form
    9,048.90/13,569.71 = 3,780.46/x
  3. Step 3: Cross multiply
    9,048.90x = 13,569.71 × 3,780.46
  4. Step 4: Simplify right side
    9,048.90x = 51,299,693.04
  5. Step 5: Solve for x
    x = 51,299,693.04/9,048.90
  6. Step 6: Final answer
    x = 5,669.16

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1.5x scale

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.