Home / 9,317.03-12,859.32-5,340.80

Finding the Fourth Proportional to 9,317.03, 12,859.32 and 5,340.80

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Solution

The fourth proportional to 9,317.03, 12,859.32 and 5,340.80 is: 7,371.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317.03 : 12,859.32 = 5,340.80 : x
  2. Step 2: Convert to fraction form
    9,317.03/12,859.32 = 5,340.80/x
  3. Step 3: Cross multiply
    9,317.03x = 12,859.32 × 5,340.80
  4. Step 4: Simplify right side
    9,317.03x = 68,679,056.26
  5. Step 5: Solve for x
    x = 68,679,056.26/9,317.03
  6. Step 6: Final answer
    x = 7,371.35

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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.