Home / 8,907.90-13,330.81-5,395.92

Finding the Fourth Proportional to 8,907.90, 13,330.81 and 5,395.92

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Solution

The fourth proportional to 8,907.90, 13,330.81 and 5,395.92 is: 8,075.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.90 : 13,330.81 = 5,395.92 : x
  2. Step 2: Convert to fraction form
    8,907.90/13,330.81 = 5,395.92/x
  3. Step 3: Cross multiply
    8,907.90x = 13,330.81 × 5,395.92
  4. Step 4: Simplify right side
    8,907.90x = 71,931,984.30
  5. Step 5: Solve for x
    x = 71,931,984.30/8,907.90
  6. Step 6: Final answer
    x = 8,075.08

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1.5x scale

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.