Home / 7,584.16-10,457.40-5,699.20

Finding the Fourth Proportional to 7,584.16, 10,457.40 and 5,699.20

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Solution

The fourth proportional to 7,584.16, 10,457.40 and 5,699.20 is: 7,858.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,584.16 : 10,457.40 = 5,699.20 : x
  2. Step 2: Convert to fraction form
    7,584.16/10,457.40 = 5,699.20/x
  3. Step 3: Cross multiply
    7,584.16x = 10,457.40 × 5,699.20
  4. Step 4: Simplify right side
    7,584.16x = 59,598,814.08
  5. Step 5: Solve for x
    x = 59,598,814.08/7,584.16
  6. Step 6: Final answer
    x = 7,858.33

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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.