Home / 9,071.65-13,601.04-3,520.32

Finding the Fourth Proportional to 9,071.65, 13,601.04 and 3,520.32

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Solution

The fourth proportional to 9,071.65, 13,601.04 and 3,520.32 is: 5,277.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,071.65 : 13,601.04 = 3,520.32 : x
  2. Step 2: Convert to fraction form
    9,071.65/13,601.04 = 3,520.32/x
  3. Step 3: Cross multiply
    9,071.65x = 13,601.04 × 3,520.32
  4. Step 4: Simplify right side
    9,071.65x = 47,880,013.13
  5. Step 5: Solve for x
    x = 47,880,013.13/9,071.65
  6. Step 6: Final answer
    x = 5,277.98

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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.