Home / 4,282.48-6,421.56-1,972

Finding the Fourth Proportional to 4,282.48, 6,421.56 and 1,972

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Solution

The fourth proportional to 4,282.48, 6,421.56 and 1,972 is: 2,957.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282.48 : 6,421.56 = 1,972 : x
  2. Step 2: Convert to fraction form
    4,282.48/6,421.56 = 1,972/x
  3. Step 3: Cross multiply
    4,282.48x = 6,421.56 × 1,972
  4. Step 4: Simplify right side
    4,282.48x = 12,663,316.32
  5. Step 5: Solve for x
    x = 12,663,316.32/4,282.48
  6. Step 6: Final answer
    x = 2,957.01

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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.