Home / 7,260.10-10,018.75-4,116.30

Finding the Fourth Proportional to 7,260.10, 10,018.75 and 4,116.30

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Solution

The fourth proportional to 7,260.10, 10,018.75 and 4,116.30 is: 5,680.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.10 : 10,018.75 = 4,116.30 : x
  2. Step 2: Convert to fraction form
    7,260.10/10,018.75 = 4,116.30/x
  3. Step 3: Cross multiply
    7,260.10x = 10,018.75 × 4,116.30
  4. Step 4: Simplify right side
    7,260.10x = 41,240,180.63
  5. Step 5: Solve for x
    x = 41,240,180.63/7,260.10
  6. Step 6: Final answer
    x = 5,680.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.