Home / 6,971.68-10,457.40-1,777.48

Finding the Fourth Proportional to 6,971.68, 10,457.40 and 1,777.48

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Solution

The fourth proportional to 6,971.68, 10,457.40 and 1,777.48 is: 2,666.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,971.68 : 10,457.40 = 1,777.48 : x
  2. Step 2: Convert to fraction form
    6,971.68/10,457.40 = 1,777.48/x
  3. Step 3: Cross multiply
    6,971.68x = 10,457.40 × 1,777.48
  4. Step 4: Simplify right side
    6,971.68x = 18,587,819.35
  5. Step 5: Solve for x
    x = 18,587,819.35/6,971.68
  6. Step 6: Final answer
    x = 2,666.19

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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.