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Finding the Fourth Proportional to 4,242.16, 6,365.16 and 1,934.32

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Solution

The fourth proportional to 4,242.16, 6,365.16 and 1,934.32 is: 2,902.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.16 : 6,365.16 = 1,934.32 : x
  2. Step 2: Convert to fraction form
    4,242.16/6,365.16 = 1,934.32/x
  3. Step 3: Cross multiply
    4,242.16x = 6,365.16 × 1,934.32
  4. Step 4: Simplify right side
    4,242.16x = 12,312,256.29
  5. Step 5: Solve for x
    x = 12,312,256.29/4,242.16
  6. Step 6: Final answer
    x = 2,902.36

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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.