Home / 4,291.92-6,437.88-2,971.55

Finding the Fourth Proportional to 4,291.92, 6,437.88 and 2,971.55

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Solution

The fourth proportional to 4,291.92, 6,437.88 and 2,971.55 is: 4,457.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.92 : 6,437.88 = 2,971.55 : x
  2. Step 2: Convert to fraction form
    4,291.92/6,437.88 = 2,971.55/x
  3. Step 3: Cross multiply
    4,291.92x = 6,437.88 × 2,971.55
  4. Step 4: Simplify right side
    4,291.92x = 19,130,498.41
  5. Step 5: Solve for x
    x = 19,130,498.41/4,291.92
  6. Step 6: Final answer
    x = 4,457.33

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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.