Home / 4,727.18-7,090.45-1,765.05

Finding the Fourth Proportional to 4,727.18, 7,090.45 and 1,765.05

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Solution

The fourth proportional to 4,727.18, 7,090.45 and 1,765.05 is: 2,647.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.18 : 7,090.45 = 1,765.05 : x
  2. Step 2: Convert to fraction form
    4,727.18/7,090.45 = 1,765.05/x
  3. Step 3: Cross multiply
    4,727.18x = 7,090.45 × 1,765.05
  4. Step 4: Simplify right side
    4,727.18x = 12,514,998.77
  5. Step 5: Solve for x
    x = 12,514,998.77/4,727.18
  6. Step 6: Final answer
    x = 2,647.46

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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.