Home / 7,518.31-11,277.40-3,075.04

Finding the Fourth Proportional to 7,518.31, 11,277.40 and 3,075.04

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Solution

The fourth proportional to 7,518.31, 11,277.40 and 3,075.04 is: 4,612.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.31 : 11,277.40 = 3,075.04 : x
  2. Step 2: Convert to fraction form
    7,518.31/11,277.40 = 3,075.04/x
  3. Step 3: Cross multiply
    7,518.31x = 11,277.40 × 3,075.04
  4. Step 4: Simplify right side
    7,518.31x = 34,678,456.10
  5. Step 5: Solve for x
    x = 34,678,456.10/7,518.31
  6. Step 6: Final answer
    x = 4,612.53

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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.