Home / 5,316.74-7,332.98-3,428.63

Finding the Fourth Proportional to 5,316.74, 7,332.98 and 3,428.63

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Solution

The fourth proportional to 5,316.74, 7,332.98 and 3,428.63 is: 4,728.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.74 : 7,332.98 = 3,428.63 : x
  2. Step 2: Convert to fraction form
    5,316.74/7,332.98 = 3,428.63/x
  3. Step 3: Cross multiply
    5,316.74x = 7,332.98 × 3,428.63
  4. Step 4: Simplify right side
    5,316.74x = 25,142,068.19
  5. Step 5: Solve for x
    x = 25,142,068.19/5,316.74
  6. Step 6: Final answer
    x = 4,728.85

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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.