Home / 5,312.16-7,328.80-3,321.96

Finding the Fourth Proportional to 5,312.16, 7,328.80 and 3,321.96

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Solution

The fourth proportional to 5,312.16, 7,328.80 and 3,321.96 is: 4,583.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.16 : 7,328.80 = 3,321.96 : x
  2. Step 2: Convert to fraction form
    5,312.16/7,328.80 = 3,321.96/x
  3. Step 3: Cross multiply
    5,312.16x = 7,328.80 × 3,321.96
  4. Step 4: Simplify right side
    5,312.16x = 24,345,980.45
  5. Step 5: Solve for x
    x = 24,345,980.45/5,312.16
  6. Step 6: Final answer
    x = 4,583.07

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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.