Home / 4,642.48-6,406.98-2,875.12

Finding the Fourth Proportional to 4,642.48, 6,406.98 and 2,875.12

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Solution

The fourth proportional to 4,642.48, 6,406.98 and 2,875.12 is: 3,967.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.48 : 6,406.98 = 2,875.12 : x
  2. Step 2: Convert to fraction form
    4,642.48/6,406.98 = 2,875.12/x
  3. Step 3: Cross multiply
    4,642.48x = 6,406.98 × 2,875.12
  4. Step 4: Simplify right side
    4,642.48x = 18,420,836.34
  5. Step 5: Solve for x
    x = 18,420,836.34/4,642.48
  6. Step 6: Final answer
    x = 3,967.89

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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.