Home / 7,574.16-11,341.80-4,643.60

Finding the Fourth Proportional to 7,574.16, 11,341.80 and 4,643.60

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Solution

The fourth proportional to 7,574.16, 11,341.80 and 4,643.60 is: 6,953.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,574.16 : 11,341.80 = 4,643.60 : x
  2. Step 2: Convert to fraction form
    7,574.16/11,341.80 = 4,643.60/x
  3. Step 3: Cross multiply
    7,574.16x = 11,341.80 × 4,643.60
  4. Step 4: Simplify right side
    7,574.16x = 52,666,782.48
  5. Step 5: Solve for x
    x = 52,666,782.48/7,574.16
  6. Step 6: Final answer
    x = 6,953.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.