Home / 6,400.42-8,830.55-5,051.77

Finding the Fourth Proportional to 6,400.42, 8,830.55 and 5,051.77

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Solution

The fourth proportional to 6,400.42, 8,830.55 and 5,051.77 is: 6,969.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400.42 : 8,830.55 = 5,051.77 : x
  2. Step 2: Convert to fraction form
    6,400.42/8,830.55 = 5,051.77/x
  3. Step 3: Cross multiply
    6,400.42x = 8,830.55 × 5,051.77
  4. Step 4: Simplify right side
    6,400.42x = 44,609,898.13
  5. Step 5: Solve for x
    x = 44,609,898.13/6,400.42
  6. Step 6: Final answer
    x = 6,969.84

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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.