Home / 8,385.10-12,558.36-4,866.34

Finding the Fourth Proportional to 8,385.10, 12,558.36 and 4,866.34

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Solution

The fourth proportional to 8,385.10, 12,558.36 and 4,866.34 is: 7,288.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.10 : 12,558.36 = 4,866.34 : x
  2. Step 2: Convert to fraction form
    8,385.10/12,558.36 = 4,866.34/x
  3. Step 3: Cross multiply
    8,385.10x = 12,558.36 × 4,866.34
  4. Step 4: Simplify right side
    8,385.10x = 61,113,249.60
  5. Step 5: Solve for x
    x = 61,113,249.60/8,385.10
  6. Step 6: Final answer
    x = 7,288.31

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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.