Home / 7,275.54-10,915.44-2,345.08

Finding the Fourth Proportional to 7,275.54, 10,915.44 and 2,345.08

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Solution

The fourth proportional to 7,275.54, 10,915.44 and 2,345.08 is: 3,518.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.54 : 10,915.44 = 2,345.08 : x
  2. Step 2: Convert to fraction form
    7,275.54/10,915.44 = 2,345.08/x
  3. Step 3: Cross multiply
    7,275.54x = 10,915.44 × 2,345.08
  4. Step 4: Simplify right side
    7,275.54x = 25,597,580.04
  5. Step 5: Solve for x
    x = 25,597,580.04/7,275.54
  6. Step 6: Final answer
    x = 3,518.31

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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.