Home / 8,907.08-12,291.72-5,370.50

Finding the Fourth Proportional to 8,907.08, 12,291.72 and 5,370.50

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Solution

The fourth proportional to 8,907.08, 12,291.72 and 5,370.50 is: 7,411.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.08 : 12,291.72 = 5,370.50 : x
  2. Step 2: Convert to fraction form
    8,907.08/12,291.72 = 5,370.50/x
  3. Step 3: Cross multiply
    8,907.08x = 12,291.72 × 5,370.50
  4. Step 4: Simplify right side
    8,907.08x = 66,012,682.26
  5. Step 5: Solve for x
    x = 66,012,682.26/8,907.08
  6. Step 6: Final answer
    x = 7,411.26

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1.5x scale

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.