Home / 7,029.84-9,701.15-3,886.01

Finding the Fourth Proportional to 7,029.84, 9,701.15 and 3,886.01

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Solution

The fourth proportional to 7,029.84, 9,701.15 and 3,886.01 is: 5,362.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.84 : 9,701.15 = 3,886.01 : x
  2. Step 2: Convert to fraction form
    7,029.84/9,701.15 = 3,886.01/x
  3. Step 3: Cross multiply
    7,029.84x = 9,701.15 × 3,886.01
  4. Step 4: Simplify right side
    7,029.84x = 37,698,697.98
  5. Step 5: Solve for x
    x = 37,698,697.98/7,029.84
  6. Step 6: Final answer
    x = 5,362.67

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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.