Home / 5,088.72-7,633.08-1,578.72

Finding the Fourth Proportional to 5,088.72, 7,633.08 and 1,578.72

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Solution

The fourth proportional to 5,088.72, 7,633.08 and 1,578.72 is: 2,368.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.72 : 7,633.08 = 1,578.72 : x
  2. Step 2: Convert to fraction form
    5,088.72/7,633.08 = 1,578.72/x
  3. Step 3: Cross multiply
    5,088.72x = 7,633.08 × 1,578.72
  4. Step 4: Simplify right side
    5,088.72x = 12,050,496.06
  5. Step 5: Solve for x
    x = 12,050,496.06/5,088.72
  6. Step 6: Final answer
    x = 2,368.08

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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.