Home / 7,985.54-11,030.06-6,730.76

Finding the Fourth Proportional to 7,985.54, 11,030.06 and 6,730.76

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Solution

The fourth proportional to 7,985.54, 11,030.06 and 6,730.76 is: 9,296.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985.54 : 11,030.06 = 6,730.76 : x
  2. Step 2: Convert to fraction form
    7,985.54/11,030.06 = 6,730.76/x
  3. Step 3: Cross multiply
    7,985.54x = 11,030.06 × 6,730.76
  4. Step 4: Simplify right side
    7,985.54x = 74,240,686.65
  5. Step 5: Solve for x
    x = 74,240,686.65/7,985.54
  6. Step 6: Final answer
    x = 9,296.89

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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.