Home / 10,567.12-15,852.36-3,640

Finding the Fourth Proportional to 10,567.12, 15,852.36 and 3,640

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Solution

The fourth proportional to 10,567.12, 15,852.36 and 3,640 is: 5,460.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,567.12 : 15,852.36 = 3,640 : x
  2. Step 2: Convert to fraction form
    10,567.12/15,852.36 = 3,640/x
  3. Step 3: Cross multiply
    10,567.12x = 15,852.36 × 3,640
  4. Step 4: Simplify right side
    10,567.12x = 57,702,590.40
  5. Step 5: Solve for x
    x = 57,702,590.40/10,567.12
  6. Step 6: Final answer
    x = 5,460.58

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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.