Home / 9,030.65-13,551.15-4,870.64

Finding the Fourth Proportional to 9,030.65, 13,551.15 and 4,870.64

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Solution

The fourth proportional to 9,030.65, 13,551.15 and 4,870.64 is: 7,308.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,030.65 : 13,551.15 = 4,870.64 : x
  2. Step 2: Convert to fraction form
    9,030.65/13,551.15 = 4,870.64/x
  3. Step 3: Cross multiply
    9,030.65x = 13,551.15 × 4,870.64
  4. Step 4: Simplify right side
    9,030.65x = 66,002,773.24
  5. Step 5: Solve for x
    x = 66,002,773.24/9,030.65
  6. Step 6: Final answer
    x = 7,308.75

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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.