Home / 7,275.90-10,904.72-3,111.01

Finding the Fourth Proportional to 7,275.90, 10,904.72 and 3,111.01

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Solution

The fourth proportional to 7,275.90, 10,904.72 and 3,111.01 is: 4,662.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.90 : 10,904.72 = 3,111.01 : x
  2. Step 2: Convert to fraction form
    7,275.90/10,904.72 = 3,111.01/x
  3. Step 3: Cross multiply
    7,275.90x = 10,904.72 × 3,111.01
  4. Step 4: Simplify right side
    7,275.90x = 33,924,702.71
  5. Step 5: Solve for x
    x = 33,924,702.71/7,275.90
  6. Step 6: Final answer
    x = 4,662.61

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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.