Home / 4,727.40-7,090.55-1,264.92

Finding the Fourth Proportional to 4,727.40, 7,090.55 and 1,264.92

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Solution

The fourth proportional to 4,727.40, 7,090.55 and 1,264.92 is: 1,897.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.40 : 7,090.55 = 1,264.92 : x
  2. Step 2: Convert to fraction form
    4,727.40/7,090.55 = 1,264.92/x
  3. Step 3: Cross multiply
    4,727.40x = 7,090.55 × 1,264.92
  4. Step 4: Simplify right side
    4,727.40x = 8,968,946.22
  5. Step 5: Solve for x
    x = 8,968,946.22/4,727.40
  6. Step 6: Final answer
    x = 1,897.23

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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.