Home / 9,900.79-14,848.75-4,355.53

Finding the Fourth Proportional to 9,900.79, 14,848.75 and 4,355.53

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Solution

The fourth proportional to 9,900.79, 14,848.75 and 4,355.53 is: 6,532.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,900.79 : 14,848.75 = 4,355.53 : x
  2. Step 2: Convert to fraction form
    9,900.79/14,848.75 = 4,355.53/x
  3. Step 3: Cross multiply
    9,900.79x = 14,848.75 × 4,355.53
  4. Step 4: Simplify right side
    9,900.79x = 64,674,176.09
  5. Step 5: Solve for x
    x = 64,674,176.09/9,900.79
  6. Step 6: Final answer
    x = 6,532.22

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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.