Home / 4,294.58-6,430.85-2,976.45

Finding the Fourth Proportional to 4,294.58, 6,430.85 and 2,976.45

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Solution

The fourth proportional to 4,294.58, 6,430.85 and 2,976.45 is: 4,457.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,294.58 : 6,430.85 = 2,976.45 : x
  2. Step 2: Convert to fraction form
    4,294.58/6,430.85 = 2,976.45/x
  3. Step 3: Cross multiply
    4,294.58x = 6,430.85 × 2,976.45
  4. Step 4: Simplify right side
    4,294.58x = 19,141,088.60
  5. Step 5: Solve for x
    x = 19,141,088.60/4,294.58
  6. Step 6: Final answer
    x = 4,457.04

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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.