Home / 8,558.41-11,810.47-4,781.64

Finding the Fourth Proportional to 8,558.41, 11,810.47 and 4,781.64

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Solution

The fourth proportional to 8,558.41, 11,810.47 and 4,781.64 is: 6,598.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.41 : 11,810.47 = 4,781.64 : x
  2. Step 2: Convert to fraction form
    8,558.41/11,810.47 = 4,781.64/x
  3. Step 3: Cross multiply
    8,558.41x = 11,810.47 × 4,781.64
  4. Step 4: Simplify right side
    8,558.41x = 56,473,415.77
  5. Step 5: Solve for x
    x = 56,473,415.77/8,558.41
  6. Step 6: Final answer
    x = 6,598.59

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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.