Home / 5,379.02-8,068.50-1,430.67

Finding the Fourth Proportional to 5,379.02, 8,068.50 and 1,430.67

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Solution

The fourth proportional to 5,379.02, 8,068.50 and 1,430.67 is: 2,146.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.02 : 8,068.50 = 1,430.67 : x
  2. Step 2: Convert to fraction form
    5,379.02/8,068.50 = 1,430.67/x
  3. Step 3: Cross multiply
    5,379.02x = 8,068.50 × 1,430.67
  4. Step 4: Simplify right side
    5,379.02x = 11,543,360.90
  5. Step 5: Solve for x
    x = 11,543,360.90/5,379.02
  6. Step 6: Final answer
    x = 2,146.00

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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.