Home / 7,580.18-10,456.98-4,890.70

Finding the Fourth Proportional to 7,580.18, 10,456.98 and 4,890.70

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Solution

The fourth proportional to 7,580.18, 10,456.98 and 4,890.70 is: 6,746.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.18 : 10,456.98 = 4,890.70 : x
  2. Step 2: Convert to fraction form
    7,580.18/10,456.98 = 4,890.70/x
  3. Step 3: Cross multiply
    7,580.18x = 10,456.98 × 4,890.70
  4. Step 4: Simplify right side
    7,580.18x = 51,141,952.09
  5. Step 5: Solve for x
    x = 51,141,952.09/7,580.18
  6. Step 6: Final answer
    x = 6,746.80

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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.