Home / 8,400.02-12,599.69-2,556.45

Finding the Fourth Proportional to 8,400.02, 12,599.69 and 2,556.45

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Solution

The fourth proportional to 8,400.02, 12,599.69 and 2,556.45 is: 3,834.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400.02 : 12,599.69 = 2,556.45 : x
  2. Step 2: Convert to fraction form
    8,400.02/12,599.69 = 2,556.45/x
  3. Step 3: Cross multiply
    8,400.02x = 12,599.69 × 2,556.45
  4. Step 4: Simplify right side
    8,400.02x = 32,210,464.72
  5. Step 5: Solve for x
    x = 32,210,464.72/8,400.02
  6. Step 6: Final answer
    x = 3,834.57

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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.