Home / 5,705.74-8,558.16-1,810.18

Finding the Fourth Proportional to 5,705.74, 8,558.16 and 1,810.18

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Solution

The fourth proportional to 5,705.74, 8,558.16 and 1,810.18 is: 2,715.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.74 : 8,558.16 = 1,810.18 : x
  2. Step 2: Convert to fraction form
    5,705.74/8,558.16 = 1,810.18/x
  3. Step 3: Cross multiply
    5,705.74x = 8,558.16 × 1,810.18
  4. Step 4: Simplify right side
    5,705.74x = 15,491,810.07
  5. Step 5: Solve for x
    x = 15,491,810.07/5,705.74
  6. Step 6: Final answer
    x = 2,715.13

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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.