Home / 6,423.78-9,588.80-5,955.06

Finding the Fourth Proportional to 6,423.78, 9,588.80 and 5,955.06

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Solution

The fourth proportional to 6,423.78, 9,588.80 and 5,955.06 is: 8,889.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.78 : 9,588.80 = 5,955.06 : x
  2. Step 2: Convert to fraction form
    6,423.78/9,588.80 = 5,955.06/x
  3. Step 3: Cross multiply
    6,423.78x = 9,588.80 × 5,955.06
  4. Step 4: Simplify right side
    6,423.78x = 57,101,849.55
  5. Step 5: Solve for x
    x = 57,101,849.55/6,423.78
  6. Step 6: Final answer
    x = 8,889.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.