Home / 5,312.51-7,968.75-1,614.72

Finding the Fourth Proportional to 5,312.51, 7,968.75 and 1,614.72

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Solution

The fourth proportional to 5,312.51, 7,968.75 and 1,614.72 is: 2,422.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.51 : 7,968.75 = 1,614.72 : x
  2. Step 2: Convert to fraction form
    5,312.51/7,968.75 = 1,614.72/x
  3. Step 3: Cross multiply
    5,312.51x = 7,968.75 × 1,614.72
  4. Step 4: Simplify right side
    5,312.51x = 12,867,300
  5. Step 5: Solve for x
    x = 12,867,300/5,312.51
  6. Step 6: Final answer
    x = 2,422.08

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1.5x scale

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.