Home / 6,875.84-10,290.40-4,245.02

Finding the Fourth Proportional to 6,875.84, 10,290.40 and 4,245.02

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Solution

The fourth proportional to 6,875.84, 10,290.40 and 4,245.02 is: 6,353.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.84 : 10,290.40 = 4,245.02 : x
  2. Step 2: Convert to fraction form
    6,875.84/10,290.40 = 4,245.02/x
  3. Step 3: Cross multiply
    6,875.84x = 10,290.40 × 4,245.02
  4. Step 4: Simplify right side
    6,875.84x = 43,682,953.81
  5. Step 5: Solve for x
    x = 43,682,953.81/6,875.84
  6. Step 6: Final answer
    x = 6,353.11

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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.