Home / 4,685.55-6,457.95-3,424.65

Finding the Fourth Proportional to 4,685.55, 6,457.95 and 3,424.65

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Solution

The fourth proportional to 4,685.55, 6,457.95 and 3,424.65 is: 4,720.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.55 : 6,457.95 = 3,424.65 : x
  2. Step 2: Convert to fraction form
    4,685.55/6,457.95 = 3,424.65/x
  3. Step 3: Cross multiply
    4,685.55x = 6,457.95 × 3,424.65
  4. Step 4: Simplify right side
    4,685.55x = 22,116,218.47
  5. Step 5: Solve for x
    x = 22,116,218.47/4,685.55
  6. Step 6: Final answer
    x = 4,720.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.