Home / 9,459.03-13,055.76-5,479.50

Finding the Fourth Proportional to 9,459.03, 13,055.76 and 5,479.50

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Solution

The fourth proportional to 9,459.03, 13,055.76 and 5,479.50 is: 7,563.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,459.03 : 13,055.76 = 5,479.50 : x
  2. Step 2: Convert to fraction form
    9,459.03/13,055.76 = 5,479.50/x
  3. Step 3: Cross multiply
    9,459.03x = 13,055.76 × 5,479.50
  4. Step 4: Simplify right side
    9,459.03x = 71,539,036.92
  5. Step 5: Solve for x
    x = 71,539,036.92/9,459.03
  6. Step 6: Final answer
    x = 7,563.04

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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.