Home / 5,302.67-7,315.82-3,312.50

Finding the Fourth Proportional to 5,302.67, 7,315.82 and 3,312.50

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Solution

The fourth proportional to 5,302.67, 7,315.82 and 3,312.50 is: 4,570.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302.67 : 7,315.82 = 3,312.50 : x
  2. Step 2: Convert to fraction form
    5,302.67/7,315.82 = 3,312.50/x
  3. Step 3: Cross multiply
    5,302.67x = 7,315.82 × 3,312.50
  4. Step 4: Simplify right side
    5,302.67x = 24,233,613.03
  5. Step 5: Solve for x
    x = 24,233,613.03/5,302.67
  6. Step 6: Final answer
    x = 4,570.08

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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.