Home / 4,430.13-6,647.63-1,658.72

Finding the Fourth Proportional to 4,430.13, 6,647.63 and 1,658.72

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Solution

The fourth proportional to 4,430.13, 6,647.63 and 1,658.72 is: 2,488.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.13 : 6,647.63 = 1,658.72 : x
  2. Step 2: Convert to fraction form
    4,430.13/6,647.63 = 1,658.72/x
  3. Step 3: Cross multiply
    4,430.13x = 6,647.63 × 1,658.72
  4. Step 4: Simplify right side
    4,430.13x = 11,026,515.30
  5. Step 5: Solve for x
    x = 11,026,515.30/4,430.13
  6. Step 6: Final answer
    x = 2,488.98

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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.