Home / 5,313.04-7,970.82-1,615.48

Finding the Fourth Proportional to 5,313.04, 7,970.82 and 1,615.48

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Solution

The fourth proportional to 5,313.04, 7,970.82 and 1,615.48 is: 2,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.04 : 7,970.82 = 1,615.48 : x
  2. Step 2: Convert to fraction form
    5,313.04/7,970.82 = 1,615.48/x
  3. Step 3: Cross multiply
    5,313.04x = 7,970.82 × 1,615.48
  4. Step 4: Simplify right side
    5,313.04x = 12,876,700.29
  5. Step 5: Solve for x
    x = 12,876,700.29/5,313.04
  6. Step 6: Final answer
    x = 2,423.60

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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.