Home / 9,720.08-14,558.20-4,515

Finding the Fourth Proportional to 9,720.08, 14,558.20 and 4,515

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Solution

The fourth proportional to 9,720.08, 14,558.20 and 4,515 is: 6,762.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720.08 : 14,558.20 = 4,515 : x
  2. Step 2: Convert to fraction form
    9,720.08/14,558.20 = 4,515/x
  3. Step 3: Cross multiply
    9,720.08x = 14,558.20 × 4,515
  4. Step 4: Simplify right side
    9,720.08x = 65,730,273
  5. Step 5: Solve for x
    x = 65,730,273/9,720.08
  6. Step 6: Final answer
    x = 6,762.32

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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.