Home / 4,430.76-6,646.11-2,457.60

Finding the Fourth Proportional to 4,430.76, 6,646.11 and 2,457.60

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Solution

The fourth proportional to 4,430.76, 6,646.11 and 2,457.60 is: 3,686.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.76 : 6,646.11 = 2,457.60 : x
  2. Step 2: Convert to fraction form
    4,430.76/6,646.11 = 2,457.60/x
  3. Step 3: Cross multiply
    4,430.76x = 6,646.11 × 2,457.60
  4. Step 4: Simplify right side
    4,430.76x = 16,333,479.94
  5. Step 5: Solve for x
    x = 16,333,479.94/4,430.76
  6. Step 6: Final answer
    x = 3,686.38

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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.