Home / 7,985.64-11,004.98-5,743.56

Finding the Fourth Proportional to 7,985.64, 11,004.98 and 5,743.56

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Solution

The fourth proportional to 7,985.64, 11,004.98 and 5,743.56 is: 7,915.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985.64 : 11,004.98 = 5,743.56 : x
  2. Step 2: Convert to fraction form
    7,985.64/11,004.98 = 5,743.56/x
  3. Step 3: Cross multiply
    7,985.64x = 11,004.98 × 5,743.56
  4. Step 4: Simplify right side
    7,985.64x = 63,207,762.93
  5. Step 5: Solve for x
    x = 63,207,762.93/7,985.64
  6. Step 6: Final answer
    x = 7,915.18

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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.