Home / 5,274.99-7,277.45-3,386.07

Finding the Fourth Proportional to 5,274.99, 7,277.45 and 3,386.07

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Solution

The fourth proportional to 5,274.99, 7,277.45 and 3,386.07 is: 4,671.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.99 : 7,277.45 = 3,386.07 : x
  2. Step 2: Convert to fraction form
    5,274.99/7,277.45 = 3,386.07/x
  3. Step 3: Cross multiply
    5,274.99x = 7,277.45 × 3,386.07
  4. Step 4: Simplify right side
    5,274.99x = 24,641,938.19
  5. Step 5: Solve for x
    x = 24,641,938.19/5,274.99
  6. Step 6: Final answer
    x = 4,671.47

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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.