Home / 7,810.74-11,688.30-6,260.70

Finding the Fourth Proportional to 7,810.74, 11,688.30 and 6,260.70

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Solution

The fourth proportional to 7,810.74, 11,688.30 and 6,260.70 is: 9,368.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810.74 : 11,688.30 = 6,260.70 : x
  2. Step 2: Convert to fraction form
    7,810.74/11,688.30 = 6,260.70/x
  3. Step 3: Cross multiply
    7,810.74x = 11,688.30 × 6,260.70
  4. Step 4: Simplify right side
    7,810.74x = 73,176,939.81
  5. Step 5: Solve for x
    x = 73,176,939.81/7,810.74
  6. Step 6: Final answer
    x = 9,368.76

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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.