Home / 6,740.96-10,111.40-1,810.18

Finding the Fourth Proportional to 6,740.96, 10,111.40 and 1,810.18

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Solution

The fourth proportional to 6,740.96, 10,111.40 and 1,810.18 is: 2,715.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,740.96 : 10,111.40 = 1,810.18 : x
  2. Step 2: Convert to fraction form
    6,740.96/10,111.40 = 1,810.18/x
  3. Step 3: Cross multiply
    6,740.96x = 10,111.40 × 1,810.18
  4. Step 4: Simplify right side
    6,740.96x = 18,303,464.43
  5. Step 5: Solve for x
    x = 18,303,464.43/6,740.96
  6. Step 6: Final answer
    x = 2,715.26

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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.