Home / 5,312.73-7,331.29-2,922.67

Finding the Fourth Proportional to 5,312.73, 7,331.29 and 2,922.67

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Solution

The fourth proportional to 5,312.73, 7,331.29 and 2,922.67 is: 4,033.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.73 : 7,331.29 = 2,922.67 : x
  2. Step 2: Convert to fraction form
    5,312.73/7,331.29 = 2,922.67/x
  3. Step 3: Cross multiply
    5,312.73x = 7,331.29 × 2,922.67
  4. Step 4: Simplify right side
    5,312.73x = 21,426,941.34
  5. Step 5: Solve for x
    x = 21,426,941.34/5,312.73
  6. Step 6: Final answer
    x = 4,033.13

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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.