Home / 7,830.99-11,746.38-3,152.19

Finding the Fourth Proportional to 7,830.99, 11,746.38 and 3,152.19

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Solution

The fourth proportional to 7,830.99, 11,746.38 and 3,152.19 is: 4,728.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,830.99 : 11,746.38 = 3,152.19 : x
  2. Step 2: Convert to fraction form
    7,830.99/11,746.38 = 3,152.19/x
  3. Step 3: Cross multiply
    7,830.99x = 11,746.38 × 3,152.19
  4. Step 4: Simplify right side
    7,830.99x = 37,026,821.57
  5. Step 5: Solve for x
    x = 37,026,821.57/7,830.99
  6. Step 6: Final answer
    x = 4,728.24

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Similar ratio
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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.