Home / 4,389.10-6,570.74-2,740.65

Finding the Fourth Proportional to 4,389.10, 6,570.74 and 2,740.65

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Solution

The fourth proportional to 4,389.10, 6,570.74 and 2,740.65 is: 4,102.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.10 : 6,570.74 = 2,740.65 : x
  2. Step 2: Convert to fraction form
    4,389.10/6,570.74 = 2,740.65/x
  3. Step 3: Cross multiply
    4,389.10x = 6,570.74 × 2,740.65
  4. Step 4: Simplify right side
    4,389.10x = 18,008,102.34
  5. Step 5: Solve for x
    x = 18,008,102.34/4,389.10
  6. Step 6: Final answer
    x = 4,102.91

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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.