Home / 7,430.36-10,258.62-4,639.96

Finding the Fourth Proportional to 7,430.36, 10,258.62 and 4,639.96

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Solution

The fourth proportional to 7,430.36, 10,258.62 and 4,639.96 is: 6,406.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.36 : 10,258.62 = 4,639.96 : x
  2. Step 2: Convert to fraction form
    7,430.36/10,258.62 = 4,639.96/x
  3. Step 3: Cross multiply
    7,430.36x = 10,258.62 × 4,639.96
  4. Step 4: Simplify right side
    7,430.36x = 47,599,586.46
  5. Step 5: Solve for x
    x = 47,599,586.46/7,430.36
  6. Step 6: Final answer
    x = 6,406.09

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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.