Home / 7,030.08-9,701.28-3,885.84

Finding the Fourth Proportional to 7,030.08, 9,701.28 and 3,885.84

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Solution

The fourth proportional to 7,030.08, 9,701.28 and 3,885.84 is: 5,362.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.08 : 9,701.28 = 3,885.84 : x
  2. Step 2: Convert to fraction form
    7,030.08/9,701.28 = 3,885.84/x
  3. Step 3: Cross multiply
    7,030.08x = 9,701.28 × 3,885.84
  4. Step 4: Simplify right side
    7,030.08x = 37,697,621.88
  5. Step 5: Solve for x
    x = 37,697,621.88/7,030.08
  6. Step 6: Final answer
    x = 5,362.33

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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.