Home / 8,461.55-11,675.40-4,875.86

Finding the Fourth Proportional to 8,461.55, 11,675.40 and 4,875.86

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Solution

The fourth proportional to 8,461.55, 11,675.40 and 4,875.86 is: 6,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461.55 : 11,675.40 = 4,875.86 : x
  2. Step 2: Convert to fraction form
    8,461.55/11,675.40 = 4,875.86/x
  3. Step 3: Cross multiply
    8,461.55x = 11,675.40 × 4,875.86
  4. Step 4: Simplify right side
    8,461.55x = 56,927,557.47
  5. Step 5: Solve for x
    x = 56,927,557.47/8,461.55
  6. Step 6: Final answer
    x = 6,727.80

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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.