Home / 8,854.67-12,219.08-5,075.21

Finding the Fourth Proportional to 8,854.67, 12,219.08 and 5,075.21

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Solution

The fourth proportional to 8,854.67, 12,219.08 and 5,075.21 is: 7,003.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.67 : 12,219.08 = 5,075.21 : x
  2. Step 2: Convert to fraction form
    8,854.67/12,219.08 = 5,075.21/x
  3. Step 3: Cross multiply
    8,854.67x = 12,219.08 × 5,075.21
  4. Step 4: Simplify right side
    8,854.67x = 62,014,347.72
  5. Step 5: Solve for x
    x = 62,014,347.72/8,854.67
  6. Step 6: Final answer
    x = 7,003.58

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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.