Home / 7,580.50-10,458.12-4,746.70

Finding the Fourth Proportional to 7,580.50, 10,458.12 and 4,746.70

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Solution

The fourth proportional to 7,580.50, 10,458.12 and 4,746.70 is: 6,548.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.50 : 10,458.12 = 4,746.70 : x
  2. Step 2: Convert to fraction form
    7,580.50/10,458.12 = 4,746.70/x
  3. Step 3: Cross multiply
    7,580.50x = 10,458.12 × 4,746.70
  4. Step 4: Simplify right side
    7,580.50x = 49,641,558.20
  5. Step 5: Solve for x
    x = 49,641,558.20/7,580.50
  6. Step 6: Final answer
    x = 6,548.59

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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.