Home / 4,969.50-7,454.12-1,271.63

Finding the Fourth Proportional to 4,969.50, 7,454.12 and 1,271.63

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Solution

The fourth proportional to 4,969.50, 7,454.12 and 1,271.63 is: 1,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,969.50 : 7,454.12 = 1,271.63 : x
  2. Step 2: Convert to fraction form
    4,969.50/7,454.12 = 1,271.63/x
  3. Step 3: Cross multiply
    4,969.50x = 7,454.12 × 1,271.63
  4. Step 4: Simplify right side
    4,969.50x = 9,478,838.99
  5. Step 5: Solve for x
    x = 9,478,838.99/4,969.50
  6. Step 6: Final answer
    x = 1,907.40

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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.