Home / 4,345.16-6,518.13-1,225.20

Finding the Fourth Proportional to 4,345.16, 6,518.13 and 1,225.20

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Solution

The fourth proportional to 4,345.16, 6,518.13 and 1,225.20 is: 1,837.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345.16 : 6,518.13 = 1,225.20 : x
  2. Step 2: Convert to fraction form
    4,345.16/6,518.13 = 1,225.20/x
  3. Step 3: Cross multiply
    4,345.16x = 6,518.13 × 1,225.20
  4. Step 4: Simplify right side
    4,345.16x = 7,986,012.88
  5. Step 5: Solve for x
    x = 7,986,012.88/4,345.16
  6. Step 6: Final answer
    x = 1,837.91

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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.