Home / 9,482.40-13,085.44-5,290.56

Finding the Fourth Proportional to 9,482.40, 13,085.44 and 5,290.56

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Solution

The fourth proportional to 9,482.40, 13,085.44 and 5,290.56 is: 7,300.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,482.40 : 13,085.44 = 5,290.56 : x
  2. Step 2: Convert to fraction form
    9,482.40/13,085.44 = 5,290.56/x
  3. Step 3: Cross multiply
    9,482.40x = 13,085.44 × 5,290.56
  4. Step 4: Simplify right side
    9,482.40x = 69,229,305.45
  5. Step 5: Solve for x
    x = 69,229,305.45/9,482.40
  6. Step 6: Final answer
    x = 7,300.82

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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.