Home / 4,645.10-6,967.88-1,871.40

Finding the Fourth Proportional to 4,645.10, 6,967.88 and 1,871.40

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Solution

The fourth proportional to 4,645.10, 6,967.88 and 1,871.40 is: 2,807.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,645.10 : 6,967.88 = 1,871.40 : x
  2. Step 2: Convert to fraction form
    4,645.10/6,967.88 = 1,871.40/x
  3. Step 3: Cross multiply
    4,645.10x = 6,967.88 × 1,871.40
  4. Step 4: Simplify right side
    4,645.10x = 13,039,681.28
  5. Step 5: Solve for x
    x = 13,039,681.28/4,645.10
  6. Step 6: Final answer
    x = 2,807.19

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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.