Home / 9,638.10-14,457.20-4,090.05

Finding the Fourth Proportional to 9,638.10, 14,457.20 and 4,090.05

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Solution

The fourth proportional to 9,638.10, 14,457.20 and 4,090.05 is: 6,135.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,638.10 : 14,457.20 = 4,090.05 : x
  2. Step 2: Convert to fraction form
    9,638.10/14,457.20 = 4,090.05/x
  3. Step 3: Cross multiply
    9,638.10x = 14,457.20 × 4,090.05
  4. Step 4: Simplify right side
    9,638.10x = 59,130,650.41
  5. Step 5: Solve for x
    x = 59,130,650.41/9,638.10
  6. Step 6: Final answer
    x = 6,135.09

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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.