Home / 4,875.26-7,312.80-1,412.51

Finding the Fourth Proportional to 4,875.26, 7,312.80 and 1,412.51

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Solution

The fourth proportional to 4,875.26, 7,312.80 and 1,412.51 is: 2,118.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.26 : 7,312.80 = 1,412.51 : x
  2. Step 2: Convert to fraction form
    4,875.26/7,312.80 = 1,412.51/x
  3. Step 3: Cross multiply
    4,875.26x = 7,312.80 × 1,412.51
  4. Step 4: Simplify right side
    4,875.26x = 10,329,403.13
  5. Step 5: Solve for x
    x = 10,329,403.13/4,875.26
  6. Step 6: Final answer
    x = 2,118.74

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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.