Home / 7,156.48-9,875.40-4,012.06

Finding the Fourth Proportional to 7,156.48, 9,875.40 and 4,012.06

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Solution

The fourth proportional to 7,156.48, 9,875.40 and 4,012.06 is: 5,536.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156.48 : 9,875.40 = 4,012.06 : x
  2. Step 2: Convert to fraction form
    7,156.48/9,875.40 = 4,012.06/x
  3. Step 3: Cross multiply
    7,156.48x = 9,875.40 × 4,012.06
  4. Step 4: Simplify right side
    7,156.48x = 39,620,697.32
  5. Step 5: Solve for x
    x = 39,620,697.32/7,156.48
  6. Step 6: Final answer
    x = 5,536.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.