Home / 7,565.79-10,447.40-5,088.99

Finding the Fourth Proportional to 7,565.79, 10,447.40 and 5,088.99

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Solution

The fourth proportional to 7,565.79, 10,447.40 and 5,088.99 is: 7,027.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,565.79 : 10,447.40 = 5,088.99 : x
  2. Step 2: Convert to fraction form
    7,565.79/10,447.40 = 5,088.99/x
  3. Step 3: Cross multiply
    7,565.79x = 10,447.40 × 5,088.99
  4. Step 4: Simplify right side
    7,565.79x = 53,166,688.68
  5. Step 5: Solve for x
    x = 53,166,688.68/7,565.79
  6. Step 6: Final answer
    x = 7,027.25

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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.