Home / 5,618.16-8,438.18-4,578.93

Finding the Fourth Proportional to 5,618.16, 8,438.18 and 4,578.93

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Solution

The fourth proportional to 5,618.16, 8,438.18 and 4,578.93 is: 6,877.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.16 : 8,438.18 = 4,578.93 : x
  2. Step 2: Convert to fraction form
    5,618.16/8,438.18 = 4,578.93/x
  3. Step 3: Cross multiply
    5,618.16x = 8,438.18 × 4,578.93
  4. Step 4: Simplify right side
    5,618.16x = 38,637,812.65
  5. Step 5: Solve for x
    x = 38,637,812.65/5,618.16
  6. Step 6: Final answer
    x = 6,877.31

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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.