Home / 7,580.64-10,459.52-4,435.28

Finding the Fourth Proportional to 7,580.64, 10,459.52 and 4,435.28

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Solution

The fourth proportional to 7,580.64, 10,459.52 and 4,435.28 is: 6,119.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.64 : 10,459.52 = 4,435.28 : x
  2. Step 2: Convert to fraction form
    7,580.64/10,459.52 = 4,435.28/x
  3. Step 3: Cross multiply
    7,580.64x = 10,459.52 × 4,435.28
  4. Step 4: Simplify right side
    7,580.64x = 46,390,899.87
  5. Step 5: Solve for x
    x = 46,390,899.87/7,580.64
  6. Step 6: Final answer
    x = 6,119.65

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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.