Home / 9,417.40-12,995.44-5,225.65

Finding the Fourth Proportional to 9,417.40, 12,995.44 and 5,225.65

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Solution

The fourth proportional to 9,417.40, 12,995.44 and 5,225.65 is: 7,211.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,417.40 : 12,995.44 = 5,225.65 : x
  2. Step 2: Convert to fraction form
    9,417.40/12,995.44 = 5,225.65/x
  3. Step 3: Cross multiply
    9,417.40x = 12,995.44 × 5,225.65
  4. Step 4: Simplify right side
    9,417.40x = 67,909,621.04
  5. Step 5: Solve for x
    x = 67,909,621.04/9,417.40
  6. Step 6: Final answer
    x = 7,211.08

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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.