Home / 7,070.08-9,756.32-3,926.06

Finding the Fourth Proportional to 7,070.08, 9,756.32 and 3,926.06

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Solution

The fourth proportional to 7,070.08, 9,756.32 and 3,926.06 is: 5,417.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.08 : 9,756.32 = 3,926.06 : x
  2. Step 2: Convert to fraction form
    7,070.08/9,756.32 = 3,926.06/x
  3. Step 3: Cross multiply
    7,070.08x = 9,756.32 × 3,926.06
  4. Step 4: Simplify right side
    7,070.08x = 38,303,931.91
  5. Step 5: Solve for x
    x = 38,303,931.91/7,070.08
  6. Step 6: Final answer
    x = 5,417.75

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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.