Home / 5,357.92-8,022.90-4,312.21

Finding the Fourth Proportional to 5,357.92, 8,022.90 and 4,312.21

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Solution

The fourth proportional to 5,357.92, 8,022.90 and 4,312.21 is: 6,457.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.92 : 8,022.90 = 4,312.21 : x
  2. Step 2: Convert to fraction form
    5,357.92/8,022.90 = 4,312.21/x
  3. Step 3: Cross multiply
    5,357.92x = 8,022.90 × 4,312.21
  4. Step 4: Simplify right side
    5,357.92x = 34,596,429.61
  5. Step 5: Solve for x
    x = 34,596,429.61/5,357.92
  6. Step 6: Final answer
    x = 6,457.06

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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.