Home / 4,909.49-7,364.23-2,312.63

Finding the Fourth Proportional to 4,909.49, 7,364.23 and 2,312.63

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Solution

The fourth proportional to 4,909.49, 7,364.23 and 2,312.63 is: 3,468.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.49 : 7,364.23 = 2,312.63 : x
  2. Step 2: Convert to fraction form
    4,909.49/7,364.23 = 2,312.63/x
  3. Step 3: Cross multiply
    4,909.49x = 7,364.23 × 2,312.63
  4. Step 4: Simplify right side
    4,909.49x = 17,030,696.62
  5. Step 5: Solve for x
    x = 17,030,696.62/4,909.49
  6. Step 6: Final answer
    x = 3,468.94

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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.