Home / 4,870.26-7,305.30-1,407.51

Finding the Fourth Proportional to 4,870.26, 7,305.30 and 1,407.51

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Solution

The fourth proportional to 4,870.26, 7,305.30 and 1,407.51 is: 2,111.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.26 : 7,305.30 = 1,407.51 : x
  2. Step 2: Convert to fraction form
    4,870.26/7,305.30 = 1,407.51/x
  3. Step 3: Cross multiply
    4,870.26x = 7,305.30 × 1,407.51
  4. Step 4: Simplify right side
    4,870.26x = 10,282,282.80
  5. Step 5: Solve for x
    x = 10,282,282.80/4,870.26
  6. Step 6: Final answer
    x = 2,111.24

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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.