Home / 8,070.48-12,106.88-3,907.07

Finding the Fourth Proportional to 8,070.48, 12,106.88 and 3,907.07

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Solution

The fourth proportional to 8,070.48, 12,106.88 and 3,907.07 is: 5,861.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.48 : 12,106.88 = 3,907.07 : x
  2. Step 2: Convert to fraction form
    8,070.48/12,106.88 = 3,907.07/x
  3. Step 3: Cross multiply
    8,070.48x = 12,106.88 × 3,907.07
  4. Step 4: Simplify right side
    8,070.48x = 47,302,347.57
  5. Step 5: Solve for x
    x = 47,302,347.57/8,070.48
  6. Step 6: Final answer
    x = 5,861.16

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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.