Home / 9,280.47-13,917.74-3,038.79

Finding the Fourth Proportional to 9,280.47, 13,917.74 and 3,038.79

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Solution

The fourth proportional to 9,280.47, 13,917.74 and 3,038.79 is: 4,557.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,280.47 : 13,917.74 = 3,038.79 : x
  2. Step 2: Convert to fraction form
    9,280.47/13,917.74 = 3,038.79/x
  3. Step 3: Cross multiply
    9,280.47x = 13,917.74 × 3,038.79
  4. Step 4: Simplify right side
    9,280.47x = 42,293,073.94
  5. Step 5: Solve for x
    x = 42,293,073.94/9,280.47
  6. Step 6: Final answer
    x = 4,557.21

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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.