Home / 4,323.78-6,485.76-1,402.38

Finding the Fourth Proportional to 4,323.78, 6,485.76 and 1,402.38

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Solution

The fourth proportional to 4,323.78, 6,485.76 and 1,402.38 is: 2,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,323.78 : 6,485.76 = 1,402.38 : x
  2. Step 2: Convert to fraction form
    4,323.78/6,485.76 = 1,402.38/x
  3. Step 3: Cross multiply
    4,323.78x = 6,485.76 × 1,402.38
  4. Step 4: Simplify right side
    4,323.78x = 9,095,500.11
  5. Step 5: Solve for x
    x = 9,095,500.11/4,323.78
  6. Step 6: Final answer
    x = 2,103.60

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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.