Home / 4,647.03-6,970.93-1,315.29

Finding the Fourth Proportional to 4,647.03, 6,970.93 and 1,315.29

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Solution

The fourth proportional to 4,647.03, 6,970.93 and 1,315.29 is: 1,973.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.03 : 6,970.93 = 1,315.29 : x
  2. Step 2: Convert to fraction form
    4,647.03/6,970.93 = 1,315.29/x
  3. Step 3: Cross multiply
    4,647.03x = 6,970.93 × 1,315.29
  4. Step 4: Simplify right side
    4,647.03x = 9,168,780.38
  5. Step 5: Solve for x
    x = 9,168,780.38/4,647.03
  6. Step 6: Final answer
    x = 1,973.04

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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.